Carbon fiber reinforced polyphenylene sulfide composite material and preparation method thereof
A composite material and polyphenylene sulfide technology, which is applied in the field of carbon fiber composite materials to achieve the effects of good toughness, improved toughness and heat resistance, and high heat resistance temperature
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[0053] Correspondingly, the present invention also provides a preparation method of the carbon fiber reinforced polyphenylene sulfide composite material described above, comprising:
[0054] After mixing polyphenylene sulfide, carbon fiber, soluble polytetrafluoroethylene, polysiloxane and antioxidant, melt-kneading is performed to obtain a carbon fiber reinforced polyphenylene sulfide composite material.
[0055] In the embodiment of the present invention, polyphenylene sulfide, soluble polytetrafluoroethylene, polysiloxane and antioxidant are preferably mixed to obtain a mixed resin base material; then carbon fibers are mixed with the mixed resin base material, and melt-kneaded, A carbon fiber reinforced polyphenylene sulfide composite material was obtained.
[0056] In the present invention, the content of each material is as described above, and will not be repeated here. The equipment used for preparing the composite material in the present invention is conventional equi...
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[0064] Example 1
[0065] (1) Treatment of carbon fiber: at room temperature, put 25kg of carbon fiber (with a mass of 500g per roll, a total of 50 rolls) into 600L of prepared treatment solution (the concentration of the treatment agent is 2.0mL / L, The treatment solution includes water, silane coupling agent (KH560 provided by Sichuan Chenguang Chemical Co., Ltd.), potassium titanate coupling agent, cerium ammonium nitrate and ethanol), and placed in the treatment tank for 8 minutes; The treated carbon fibers were dried at 110° C. to obtain modified carbon fibers after 24 hours.
[0066] (2), mix 58% of polyphenylene sulfide, 8% of soluble polytetrafluoroethylene, 2% of polysiloxane, 1% of antioxidant 1010 and 1% of silicone powder, and evenly mix to obtain mixed resin base;
[0067] (3), adding 30% of the carbon fiber processed in step (1) and the mixed resin base material obtained in step (3) into a twin-screw extruder, melt shearing at a temperature of 250 ℃~300 ℃ throug...
Example Embodiment
[0072] Example 2
[0073] (1) Treatment of carbon fiber: at room temperature, put 25kg of carbon fiber (with a mass of 500g per roll, a total of 50 rolls) into 600L of prepared treatment solution (the concentration of the treatment agent is 2.0mL / L, The treatment solution includes water, silane coupling agent (same as in Example 1), potassium titanate coupling agent, ceric ammonium nitrate and ethanol), placed in a treatment tank for 5 minutes; The carbon fiber was dried at 100 °C, and the modified carbon fiber was obtained after 26 hours.
[0074] (2), mix 53.7% of polyphenylene sulfide, 7% of soluble polytetrafluoroethylene, 2% of polysiloxane, 1.3% of antioxidant 168 and 1% of silicone powder, and mix uniformly to obtain mixed resin base;
[0075] (3), adding 35% of the carbon fiber processed in step (1) and the mixed resin base material obtained in step (3) into a twin-screw extruder, melt shearing at a temperature of 250 ℃~300 ℃ through the twin-screw extruder Cutting,...
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